Note 3 - Long-Term Debt (Details) (USD $)				1 Months Ended				0 Months Ended				3 Months Ended				1 Months Ended			3 Months Ended
	Sep. 30, 2014	Jul. 31, 2013	Jul. 31, 2013 Effective July 1, 2014 [Member] Scenario, Forecast [Member]	Jul. 31, 2013 Per Month Through July 1, 2015 [Member]	Jul. 31, 2013 Per Month July 1, 2015 Through June 1, 2018 [Member]	May 31, 2014 Second Amendment [Member] Revolving Credit Facility [Member] Fifth Third Bank [Member]	Sep. 30, 2014 Second Amendment [Member] London Interbank Offered Rate (LIBOR) [Member] Fifth Third Bank [Member]	Jul. 02, 2018 Scenario, Forecast [Member]	Sep. 30, 2014 Term Loan [Member] Fifth Third Bank [Member]	Sep. 30, 2014 Term Loan [Member]	Sep. 30, 2014 Senior Debt [Member]	Sep. 30, 2014 Interest Rate Swap [Member]	Jun. 30, 2014 Interest Rate Swap [Member]	Jul. 31, 2013 Interest Rate Swap [Member]	Sep. 30, 2014 Revolving Credit Facility [Member] Fifth Third Bank [Member]	Jul. 31, 2013 Revolving Credit Facility [Member]	Oct. 22, 2013 Revolving Credit Facility [Member]	Oct. 21, 2013 Revolving Credit Facility [Member]	Sep. 30, 2014 London Interbank Offered Rate (LIBOR) [Member] Fifth Third Bank [Member]	Sep. 30, 2014 Fifth Third Bank [Member]
Note 3 - Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						$ 10,000,000									$ 15,000,000
Debt Instrument, Face Amount									30,000,000
Debt Instrument, Interest Rate, Stated Percentage							0.95%												0.95%
Debt Instrument, Basis Spread on Variable Rate							1.20%												1.20%
Line of Credit Facility, Commitment Fee Percentage																				0.10%
Letters of Credit Outstanding, Amount																				176,000
Permitted Investments in Subsidiaries																	5,000,000	1,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage						0.50%
Derivative, Fixed Interest Rate			2.53%											2.53%
Derivative, Notional Amount		14,250,000
Debt Instrument, Periodic Payment, Principal				187,500	250,000			3,250,000
Interest Rate Derivative Assets, at Fair Value													(159,000)
Increase (Decrease) in Derivative Assets												159,000
Other Tax Expense (Benefit)												(60,000)
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year										562,000
Long-term Debt, Maturities, Repayments of Principal in Year Two										2,563,000
Long-term Debt, Maturities, Repayments of Principal in Year Three										3,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Four										3,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Five										16,000,000
Debt Issuance Cost																$ 68,000
Ratio of Maximum Funded Indebtedness To EBITDA	4.0										3.5
Fixed Charge Coverage Ratio	1.25